ARPartsFinder In-stock AR-15 & AR-10 parts across every retailer. We find them, you buy direct.

Primary Weapons Systems MK118 MOD 2-M Complete AR-15 Upper Receiver - 6mm ARC - 18"

Name: Primary Weapons Systems MK118 MOD 2-M Complete AR-15 Upper Receiver - 6mm ARC - 18"
Brand: Primary Arms
Price: 1399.95 USD
Availability: InStock

Primary Arms · Complete Uppers

$1399.95 In stock

Buy at Primary Arms

Current: $1399.95
Lowest seen: $1399.95
Highest seen: $1399.95

Tracked since May 28, 2026 · price unchanged so far.

Primary Weapons Systems MK118 MOD 2-M Complete AR-15 Upper Receiver - 6mm ARC - 18"

Price history · the price at each change, across the full time tracked

Confirm

How do you want to save?

More